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Santa Maria Plantation HouseSanta Maria Plantation House · Photo: David J. Kaminsky · Public domain
Climate in St. George · NOAA 1991–2020 normals

St. George’s winters are milder and less snowy than most of the U.S.

A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of.

Milder January nights than 90% of U.S. towns#85Mildest winters  of 160 in LA
Wetter than all but 134 U.S. towns#34 wettest of 160 in LA
All LA rankings →

A year in St. George at a glance

Each month’s typical high and low, and what it brings.

Jan62°41°
Feb66°45° Last frost ~Feb 28
Mar73°50°
Apr79°57°
May86°64° 6 days 90°+
Jun90°71° 18 days 90°+Wettest
Jul92°73° 24 days 90°+
Aug92°73° 23 days 90°+
Sep88°68° 14 days 90°+
Oct81°58° 2 days 90°+
Nov now71°48° First frost ~Nov 26
Dec64°43°

What stands out about St. George’s climate

Compared with towns across the U.S., with St. George’s place in Louisiana beside it.

A normal year

What a year in St. George feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
64° / 43°
Snow is rare
Spring
79° / 57°
Last frost around Feb 28
Summer
91° / 72°
88 days reach 90°
Fall
80° / 58°
First frost around Nov 26
Best months to be outsideJanFebMarAprOctNovDecHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 272 frost-free days a year

In half of years the last 32° night comes by February 28 and the first by November 26. Frost and day counts come from NOAA’s station at Lsu Ben-hur Farm, LA, 8 miles from the city’s center point, at about the same height.

20
nights at or below 32° in a normal year
94th fewest of 160 in Louisiana
Fewer freezing nights than 87% of U.S. towns
0
nights at or below 0°
None in a normal year
88
days that reach 90°
73rd most of 160 in Louisiana
More 90° days than 89% of U.S. towns
<1
days that reach 100°
107th most of 160 in Louisiana
More 100° days than 62% of U.S. towns
9aUSDA zone
Plant hardiness zone 9a

The 2023 USDA map puts St. George’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 23°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

8
JFMAMJJASOND

90° days by month

Average days at 90° or more

24
JFMAMJJASOND
Rain & snow

About 64 inches of rain a year

June is the wettest month and November the driest. Rain falls on about 119 days a year. Snow is rare: about 0.2" in a normal year at Baton Rouge Sherwood, LA, so most winters see none.

64"
Rain + melted snow a year
34th wettest of 160 in Louisiana
Wetter than all but 134 U.S. towns
0.2"
Snow in a normal winter
Less snow than 83% of U.S. towns

Rain + melted snow by month

Inches of water

6.7"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in St. George

40% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55°: December and January.

1,693 heating degree daysLess heating than 89% of U.S. towns
2,571 cooling degree daysMore cooling than 90% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Lsu Ben-hur Farm, LA.

Living here

Living with St. George’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

272 frost-free days in zone 9a. The last frost comes by Feb 28 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 26.

Get outside

Months with highs of 62–84° and lows of 40° or more: January, February, March, April, October, November and December. 17 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in St. George from natural hazards, river flooding is the largest share (33%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

St. George and its neighbors

Every town next door is within a degree of St. George in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Merrydale: January low 41°, July high 92°Monticello: January low 41°, July high 92°Brownfields: January low 40°, July high 92°Port Allen: January low 41°, July high 92°Zachary: January low 40°, July high 92°Baton Rouge: January low 41°, July high 92°Prairieville: January low 41°, July high 92°St. Gabriel: January low 42°, July high 92°Denham Springs: January low 41°, July high 92°Gardere: January low 41°, July high 92°Central: January low 40°, July high 92°St. George: January low 41°, July high 92°St. GeorgeBaton RougePrairievilleSt. GabrielDenham SpringsGardereCentral
ColderMilder40° to 42°
Central40.4° about the same
Denham Springs40.5° about the same
Baton Rouge41.0° about the same
Gardere41.1° about the same
St. George41.2°
Prairieville41.2° about the same
St. Gabriel41.5° about the same

Climates most like St. George’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
St. George, LA41°92°64"0.2"
Satsuma, AL40°91°64"0.2"
Milton, FL41°91°63"0.1"
Vidor, TX42°92°61"0.1"
Magalia, CA38°92°61"0.1"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in St. George averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.4°).

+0.8°1991–2020 vs. 1901–2000

A smaller shift than in 91% of U.S. towns.

Winter+0.9°now 54°, was 53°
Spring+0.8°now 68°, was 67°
Summer+0.7°now 82°, was 81°
Fall+0.7°now 69°, was 68°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How St. George compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with St. George’s place among Louisiana’s.

Summer heat92° July high
Hotter July afternoons than 86% of U.S. towns53rd hottest of 160 in Louisiana
Winter cold41° January low
Milder January nights than 90% of U.S. towns85th mildest of 160 in Louisiana
Precipitation64" a year
Wetter than all but 134 U.S. towns34th wettest of 160 in Louisiana
Snow0.2" a winter
Less snow than 83% of U.S. townsNot ranked: under an inch a year
Hot days88 days at 90°+
More 90° days than 89% of U.S. towns73rd most of 160 in Louisiana
Freezing nights20 a year
Fewer freezing nights than 87% of U.S. towns94th fewest of 160 in Louisiana
Growing season272 frost-free days
A longer frost-free season than 94% of U.S. towns77th longest of 143 in Louisiana
Month by month

St. George weather by month

Highs, lows and precipitation from NOAA’s grid at St. George’s center; snow, wet days and snow on the ground from Baton Rouge Sherwood, LA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January62°41°6.0"0.0"11044° – 58°
February66°45°4.7"0.0"10046° – 64°
March73°50°4.5"0.0"9056° – 70°
April79°57°5.0"0.0"8063° – 72°
May86°64°5.7"0.0"9071° – 78°
June90°71°6.7"0.0"13079° – 83°
July92°73°6.3"0.0"14080° – 85°
August92°73°6.4"0.0"13079° – 85°
September88°68°4.6"0.0"9076° – 82°
October81°58°4.7"0.0"7065° – 75°
November71°48°4.0"0.0"8054° – 64°
December64°43°5.3"0.2"10047° – 61°
Year79°58°63.9"0.2"1190
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 46° to 64°. June is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Sources

Where St. George’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at St. George’s center.
  • Snow: Baton Rouge Sherwood, LA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Lsu Ben-hur Farm, LA, 8 miles from the city’s center point, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about St. George’s climate

What is the weather like in St. George?

A typical July afternoon reaches 92°, a January night drops to 41°, and snow is almost unheard of. Milder January nights than 90% of U.S. towns; hotter July afternoons than 86% of U.S. towns.

How cold does it get in St. George in winter?

January nights average 41°. About 20 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 44°.

How much snow does St. George get?

About 0.2 inches in a normal winter at Baton Rouge Sherwood, LA, so most winters see none.

How hot does it get in St. George?

July, with a typical high of 92° and a low of 73°. About 88 days a year reach 90° (Lsu Ben-hur Farm, LA).

When is the first and last frost in St. George?

In half of years the last spring frost (32°) comes by February 28 and the first fall frost by November 26, about 272 frost-free days, at Lsu Ben-hur Farm, LA.

What growing zone is St. George in?

Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 23°.

What is the best time of year to visit St. George?

By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, October, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is St. George getting warmer?

Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 91% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in St. George.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.